Details on causes of DTC P0171 and troubleshooting steps. Common fixes
include cleaning the MAF sensor and repairing for vacuum leaks.
Feb 11, 2014 ... If your check engine light is on, and has the P0171 code stored, this video is for
you.And, If you like my car help, be sure to watch my live car ...
Definition of error code P0171 and P0174 - System too Lean (Bank 1 and Bank 2
). Read emissions expert information and diagnostics for fault code P0171 and ...
Possible Causes and Repair Information for P0171 code. Learn what does
P0171 means? P0171 System Too Lean Bank 1.
If the P0171 is combined with the P0174 code, it's very likely that the problem is
caused by an intake leak. If there are no intake leaks, the next step is to replaced
Code P0171 advice and diagnostic information. Includes likely causes and
possible fixes from an experienced mechanic.
Technical Description: The engine is running lean on bank 1, meaning the air to
fuel ratio is biased towards air. What P0171 really means: Over time when the ...
Check engine light help for code P0171 including code description, possible
causes and diagnostic aids.
Feb 11, 2014 ... My 2003 Toyota Corolla's Check Engine Light came on. I read the codes using
an OBD code reader and got P0171 - System Too Lean (Bank ...
Engine code P0171 means that an oxygen sensor in a vehicle's engine has
detected too much oxygen in the exhaust. It is often caused by intake air leaks,